Originally Posted by
BradC
Also make sure the fuse tap can handle the current. Just because the source can do 40A doesn't mean you can whack 2 20A fuses in an add-a-fuse and have it last.
I've used a few of them, and not one I've looked at I'd trust over a gross 5A total. The contacts are too light/thin and it'd end up as a pile of bubbling plastic.